Manufacturing and Industrial Engineering [GATE (Graduate Aptitude Test in Engineering) Mechanical Engineering]: Questions 102 - 104 of 115

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Question 102

Manufacturing and Industrial Engineering
Forecasting Models

Appeared in Year: 2019

Question

MCQ▾

In orthogonal turning of a cylindrical tube of wall thickness 5 mm, the axial and the tangential cutting forces were measured as 1259 N and 1601 N, respectively. The measured chip thickness after machining was found to be 0.3 mm. The rake angle was 10o and the axial feed was 100 mm/min. the rotational speed of the spindle was 1000 rpm. Assuming the material to be perfectly and Merchant՚s first solution, the shear strength of the material is closest to

Choices

Choice (4)Response

a.

875 MPa

b.

200 MPa

c.

920 MPa

d.

722 MPa

Question 103

Manufacturing and Industrial Engineering
Forecasting Models

Appeared in Year: 2020

Question

MCQ▾

The forecast for the monthly demand of a product is given in the table below.

The Forecast for the Monthly Demand of a Product
MonthForecastActual Sales
132.0030.00
231.8032.00
331.8230.00

The forecast is made by using the exponential smoothing method. The exponential smoothing coefficient used in forecasting the demand is

Choices

Choice (4)Response

a.

1.00

b.

0.10

c.

0.50

d.

0.40

Question 104

Manufacturing and Industrial Engineering
Basic Concept of CAD and CAM and Integration Tools

Appeared in Year: 2019

Question

Numeric Answer▾

In ASA system, the side cutting and end cutting edge angles of a sharp turning tool are and , respectively. The feed during cylindrical turning is 0.1 mm/rev. The center line average surface roughness (in , round off to one decimal place) of the generated surface is ________

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